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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-05-21 00:54:36 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-05-21 00:54:36 +0200
commit135d39dcedcedd1f44ea0bba52f15ac5922c114f (patch)
tree12379fc8ef7489eaca1c7245f8bd6af74c619a8f /drivers/of
parent187764bd111b27783b6d68ffb3b3dbb3a9bafd38 (diff)
parent1279cd128bba968ebe0a2df7f7ae38bae90250ef (diff)
Merge remote-tracking branch 'remotes/fslc/4.9-2.3.x-imx' into toradex_4.9-2.3.x-imx-next
Conflicts: sound/soc/codecs/sgtl5000.c sound/soc/fsl/imx-sgtl5000.c
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/Kconfig4
-rw-r--r--drivers/of/address.c6
-rw-r--r--drivers/of/base.c5
-rw-r--r--drivers/of/of_mdio.c2
-rw-r--r--drivers/of/unittest.c8
5 files changed, 17 insertions, 8 deletions
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index ba7b034b2b91..6b8646db110c 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -112,4 +112,8 @@ config OF_OVERLAY
config OF_NUMA
bool
+config OF_DMA_DEFAULT_COHERENT
+ # arches should select this if DMA is coherent by default for OF devices
+ bool
+
endif # OF
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 72914cdfce2a..37619bb2c97a 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -896,12 +896,16 @@ EXPORT_SYMBOL_GPL(of_dma_get_range);
* @np: device node
*
* It returns true if "dma-coherent" property was found
- * for this device in DT.
+ * for this device in the DT, or if DMA is coherent by
+ * default for OF devices on the current platform.
*/
bool of_dma_is_coherent(struct device_node *np)
{
struct device_node *node = of_node_get(np);
+ if (IS_ENABLED(CONFIG_OF_DMA_DEFAULT_COHERENT))
+ return true;
+
while (node) {
if (of_property_read_bool(node, "dma-coherent")) {
of_node_put(node);
diff --git a/drivers/of/base.c b/drivers/of/base.c
index c5139764d72d..60d242fa9924 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -170,9 +170,6 @@ int __of_attach_node_sysfs(struct device_node *np)
struct property *pp;
int rc;
- if (!IS_ENABLED(CONFIG_SYSFS))
- return 0;
-
if (!of_kset)
return 0;
@@ -2311,7 +2308,7 @@ struct device_node *of_find_next_cache_node(const struct device_node *np)
/* OF on pmac has nodes instead of properties named "l2-cache"
* beneath CPU nodes.
*/
- if (!strcmp(np->type, "cpu"))
+ if (IS_ENABLED(CONFIG_PPC_PMAC) && !strcmp(np->type, "cpu"))
for_each_child_of_node(np, child)
if (!strcmp(child->type, "cache"))
return child;
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 262281bd68fa..1e70851b1530 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -353,7 +353,7 @@ struct phy_device *of_phy_get_and_connect(struct net_device *dev,
struct phy_device *phy;
iface = of_get_phy_mode(np);
- if (iface < 0)
+ if ((int)iface < 0)
return NULL;
phy_np = of_parse_phandle(np, "phy-handle", 0);
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 0a1ebbbd3f16..aeb6d3009ae9 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -821,10 +821,13 @@ static void __init of_unittest_platform_populate(void)
of_platform_populate(np, match, NULL, &test_bus->dev);
for_each_child_of_node(np, child) {
- for_each_child_of_node(child, grandchild)
- unittest(of_find_device_by_node(grandchild),
+ for_each_child_of_node(child, grandchild) {
+ pdev = of_find_device_by_node(grandchild);
+ unittest(pdev,
"Could not create device for node '%s'\n",
grandchild->name);
+ of_dev_put(pdev);
+ }
}
of_platform_depopulate(&test_bus->dev);
@@ -933,6 +936,7 @@ static int __init unittest_data_add(void)
of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node);
if (!unittest_data_node) {
pr_warn("%s: No tree to attach; not running tests\n", __func__);
+ kfree(unittest_data);
return -ENODATA;
}
of_node_set_flag(unittest_data_node, OF_DETACHED);